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Finding the Fourth Proportional to 55,807.50, 83,640.06 and 26,160.02

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Solution

The fourth proportional to 55,807.50, 83,640.06 and 26,160.02 is: 39,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.50 : 83,640.06 = 26,160.02 : x
  2. Step 2: Convert to fraction form
    55,807.50/83,640.06 = 26,160.02/x
  3. Step 3: Cross multiply
    55,807.50x = 83,640.06 × 26,160.02
  4. Step 4: Simplify right side
    55,807.50x = 2,188,025,224.20
  5. Step 5: Solve for x
    x = 2,188,025,224.20/55,807.50
  6. Step 6: Final answer
    x = 39,206.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.